Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
hieu manh » chieu xanh, dieu hanh, hien hanh
dang cong » dung cong
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (hieu nganh)) - ((hanh trinh) or (hanh trang)) cua dang cong van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (hieu nganh)) - ((hanh trinh) OR (hanh trang)) cua dang cong van thanh cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (hieu nganh)) - ((hanh trinh) or (hanh trang)) cua dang cong van thanh cao*.